0 1 2 3 Wed 06 Feb 1980 Thu 14 Feb 1980 Fri 22 Feb 1980 Sat 01 Mar 1980 Sun 09 Mar 1980 Mon 17 Mar 1980 Tue 25 Mar 1980 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All